×

Precious Opal
Precious Opal

Hematite
Hematite



ADD
Compare
X
Precious Opal
X
Hematite

Precious Opal and Hematite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
Brittle
-
-
5.00-5.30
Uneven, ConchoidalWalter Schumann, Conchoidal
None, may show partings on {0001} and {10 1 1}
6
Fe 2O 3Arthur Thomas , Gemstones (2009)

Precious Opal and Hematite Chemical Formula

While comparing Precious Opal and Hematite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Precious Opal and Hematite chemical formula.

    >>

Precious Opal and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal Vs Hematite during the identification of gemstone. Specific gravity of Precious Opal is whereas that of Hematite is .